What should I do if the fork of an electric forklift suddenly fails to rise?

 

       1. The connection plug socket between the battery and the electric forklift power distribution box is loose.
　　 repair method: direct repair or replacement
　　2. The fuse in the electric forklift power distribution box is blown.
　　 Repair method: Replace directly
　　3. The battery wiring pile head is loose, and the contact is poor, which may cause miselectricity.
　　 Repair method: Tighten or replace the wiring pile head
　　4. The electric forklift battery does not store electricity or has insufficient capacity.
　　Maintenance method: first check whether the charger can work and charge normally, and then judge whether the battery itself is damaged, the shift lever has not been reset, or the operation has no response.
　　 Repair method: replace the micro switch or multi-way valve

　　 5. The electric forklift is weak in lifting, the lifting stops suddenly, the pressure is relieved, and the lifting is not in place.
　　 Repair method: first check whether the hydraulic motor and hydraulic pump are working properly, then check whether the hydraulic oil tank is short of oil, whether the hydraulic oil filter element is blocked, and finally check whether the oil cylinder is leaking.
　　6, the electric forklift does not go
　　Maintenance method: first check whether the walking motor is working normally, if it can work normally, you must check that the driving gearbox walking motor is energized and not working
　　Maintenance method: check whether the walking motor is burned out, whether the shell is connected properly, whether the carbon brush is worn, whether the motor bearing is stuck, the walking motor is not powered on
　　Maintenance method: first check the power supply, main contactor, controller, throttle, reversing motor contactor, bypass contactor, regenerative contactor, current sensor, module, diode, computer board, etc.

　　7. The electric forklift truck cannot start, and the display does not respond.
　　Maintenance method: Check whether the power supply, key switch, and main contactor are all energized, then check whether the main board is normal, and then to the boot board, whether the display plug-in is loose, etc.
　　 8. The hydraulic system of the electric forklift is not working properly
　　Maintenance method: first check whether the hydraulic motor is working properly, and then check the module, module board, main board, multi-way valve, hydraulic gear pump, etc.
　　The steering system is not working properly
Repair method: first check whether the steering oil pump is working properly, then check the direction encoder, booster cylinder, then check the steering main board, fuse, steering contactor, direction sensor, steering worm system, steering ball head and tie rod for looseness and fall off, check triple Whether the plate and bearing are damaged, whether the steering knuckle, steering king pin, needle roller bearing, flat bearing, etc. are damaged.
If you have any problems that cannot be solved by yourself, please feel free to contact us. The electric forklift manufacturers can provide you with free guidance for maintenance.